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Dewatering Pumps for Sale

The terms Dewatering Pumps and Utility Pump are often used interchangeably by contractors and pump retailers. While any pump is technically dewatering, in that they are moving water from one location to another, within the industry, the term typically applies to certain applications.

Dewatering pumps tend to be used in temporary situations such as flooding or removing water from a construction site. Since most utility or dewatering pumps are intended to run for short amounts of time until the water is removed, and then turned off manually, they tend to not have automatic shutoff switches. However, we do have some submersible utility pumps with float switches.

Dewatering Pump Power sources

The power for the dewatering pumps can be supplied by gas, diesel or electric motors.

The horse power for dewatering pumps ranges from 1/6HP to 30HP. Our dewatering pumps are typically powered by Honda, Briggs, or Yanmar engines. Depending on the configuration, some engines have an electronic start.

Dewatering Pump Output Size

Dewatering pumps come in 1-1/2", 2" and 3" outlets. PumpBiz also provides hoses and quick release couplings for utility/dewatering pumps.


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  1. AMT Pumps

    Self Priming Cast Iron Pump


    25% Off Special Price $863.25 Regular Price $1,151.00

    2HP Self-priming Cast Iron pump

    for circulating liquid transfer and dewatering applications. This line of AMT Self-Priming Centrifugal pumps is designed for industrial and commercial applications requiring high volume liquid transfer, waste water...

    2HP 1 phase Learn More
  2. Gas Submersible Trash pump flexible shaft drive

    FlexPump Trash Pump

    Flexible Shaft Submersible Trash pump


    19% Off Special Price $1,699.00 Regular Price $2,099.00

    Submersible Flexible Shaft Trash pump engine powered, Predator. Flex-Pump is a submersible gas powered dewatering pump without electricity. Customers who are used it are so impressed they are calling it a "Muddy Miracle". Features:

    • Predator 212...
    Flex shaft pump Predator 6.5HP Learn More
  3. AMT Pumps

    Trash Pump 3" Kit



    Trash Pump 3" kit.

    3" Aluminum trash pump with cast iron impeller and wearplate in kit form for customer mounting to gas engine with 5/8"-16 threaded shaft. FKM seals for AG chemicals. Picture shows the Pedestal mounted model for ref. only. Made ...

    Pump Kit 5/8" shaft Learn More
  4. PumpBiz - PP32 Jr1 String trimmer metal Pump 1" attachment


    Trimmer PortaPump Jr ™ 1" Pump Attachment String trimmer

    PP32 Jr1

    25% Off Special Price $119.00 Regular Price $159.00

    PortaPump Jr1 ™ String Trimmer 1" pump attachment, Heavy Duty Aluminum construction. Pump water with your string trimmer, simply like a stick transfer pump. Trimmer brush cutter water pump attachment. Works with many battery (Milwaukee, Ryobi, D...

    900GPH 1" Fits: STIHL ECHO & others Learn More
  5. Barmesa

    2HP Submersible Dewatering pump



    Submersible Sand Trash Dewatering Pump Manual Submersible Dewatering Pump. Handles algae and other debris up to 3/8″ x 1″ in size.

    • BEARINGS - Ball, single row, permanently oil lubricated for 60,000 hours of work. Designed for radial and axial l...
    2HP 230v/3 Learn More
  6. Koshin Pumps

    6" Diesel Engine Driven Trash Pump



    Diesel powered 6" trash pump.

    Koshin 6" Electric start engine driven pump is designed for applications requiring high volume flow and solid / debris handling capabilities. Solids Handling to 3" Diameter. Pump is constructed of heavy duty sand cas...

    Diesel 6" trash pump Electric start Learn More
  7. Barmesa

    4" Trash Pump Diesel Base Mounted


    25% Off Special Price $46,696.50 Regular Price $62,262.00

    4" Trash Pump Yanmar Diesel engine on steel base (Trailer mounted shown). Used by contractors and municipalities for sewage bi-pass and dewatering applications. Spherical solids handling: 3".

    The SH4-4TNV88C is an industrial grade pump that can m...

    4" Diesel Trash Base Mount Learn More
  8. AMT Pumps

    Gas Engine Dredge Pump


    25% Off Special Price $1,467.75 Regular Price $1,957.00
    Dredge Pump

    Gas Engine Driven Dredging Pump is designed for pumping sea water and fresh water containing up to 25% sand, debris and other abrasive particles. This unit can be used for other marine applications including dredging, pile driving,...

    Honda GX160 OHV w/ Oil Alert Learn More
  9. Tsurumi

    LB Tsurumi Pump



    Tsurumi Submersible pump with top discharge provides maximum motor cooling efficiency allowing continuous duty operation at low water levels and extended dry-run capability. Tsurumi Dewatering pumps have semi-open urethane impeller with a natural ...

    1HP 115v Learn More
  10. Tsurumi

    LB Dewatering Pump



    Dewatering Pump, electric. 

    Heavy duty, LB-480-62 made for the contractor & retal stores but used by consumers demanding quality and long life out of a submersible water pump. LB480 is Not a full trash pump but will handle dewatering ditches, pud...

    Manual 115V 2" 0.66HP Learn More
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